GeForce GT 820M
VS
Radeon Vega 3 3020e

GeForce GT 820M vs Radeon Vega 3 3020e

NVIDIA

GeForce GT 820M

2014Core: 1038 MHzBoost: 1127 MHz
VS
AMD

Radeon Vega 3 3020e

2018Core: 815 MHzBoost: 1283 MHz

Performance Spectrum - GPU

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. The GeForce GT 820M is positioned at rank #134 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce GT 820M

#39
Radeon RX 7700S
MSRP: $449|Avg: $350
96%
#124
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
300%
#126
272%
#127
272%
#131
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
247%
#132
Radeon RX 6300
MSRP: $60|Avg: $40
245%
#134
GeForce GT 820M
MSRP: N/A|Avg: N/A
100%
#139
Iris Xe MAX Graphics
MSRP: $55|Avg: $40
99%
#145
Radeon RX 580 (móvel)
MSRP: $229|Avg: $65
97%
#147
GeForce GT 630M
MSRP: N/A|Avg: $35
96%
Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon Vega 3 3020e uses modern memory architecture. The Radeon Vega 3 3020e likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 820M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The GeForce GT 820M is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score and 100+% more VRAM (512 MB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Vega 3 3020e.

InsightGeForce GT 820MRadeon Vega 3 3020e
Performance
Leading raw performance (+1.3%)
Lower raw frame rates (-1.3%)
Longevity
🛑Obsolete Architecture (2014 / Maxwell 2.0 (2014−2019))
🛑Obsolete Architecture (2018 / GCN 5.0 (2017−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+100+%)
❌ Less VRAM capacity
Efficiency
Normal Efficiency
Normal Efficiency
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the GeForce GT 820M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of GeForce GT 820M and Radeon Vega 3 3020e

NVIDIA

GeForce GT 820M

The GeForce GT 820M is manufactured by NVIDIA. It was released in October 7 2014. It features the Maxwell 2.0 architecture. The core clock ranges from 1038 MHz to 1127 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 542 points.

AMD

Radeon Vega 3 3020e

The Radeon Vega 3 3020e is manufactured by AMD. It was released in November 14 2018. It features the GCN 5.0 architecture. The core clock ranges from 815 MHz to 1283 MHz. It has 1280 shading units. The thermal design power (TDP) is 100W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 535 points.

Graphics Performance

The GeForce GT 820M scores 542 and the Radeon Vega 3 3020e reaches 535 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The GeForce GT 820M is built on Maxwell 2.0 while the Radeon Vega 3 3020e uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 1,536 (GeForce GT 820M) vs 1,280 (Radeon Vega 3 3020e). Raw compute: 1.659 TFLOPS (GeForce GT 820M) vs 3.284 TFLOPS (Radeon Vega 3 3020e). Boost clocks: 1127 MHz vs 1283 MHz.

FeatureGeForce GT 820MRadeon Vega 3 3020e
G3D Mark Score
542+1%
535
Architecture
Maxwell 2.0
GCN 5.0
Process Node
28 nm
14 nm
Shading Units
1536+20%
1280
Compute (TFLOPS)
1.659 TFLOPS
3.284 TFLOPS+98%
Boost Clock
1127 MHz
1283 MHz+14%
ROPs
64+100%
32
TMUs
96+20%
80
L1 Cache
576 KB+80%
320 KB
L2 Cache
2 MB+100%
1 MB

Advanced Features (DLSS/FSR)

FeatureGeForce GT 820MRadeon Vega 3 3020e
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The GeForce GT 820M comes with 512 MB of VRAM, while the Radeon Vega 3 3020e has 0 MB. The GeForce GT 820M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs System. L2 Cache: 2 MB (GeForce GT 820M) vs 1 MB (Radeon Vega 3 3020e) — the GeForce GT 820M has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GT 820MRadeon Vega 3 3020e
VRAM Capacity
0.5 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
64-bit
System
L2 Cache
2 MB+100%
1 MB
🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 820M) vs 12 (12_1) (Radeon Vega 3 3020e). Vulkan: None vs 1.2. OpenGL: 4.0 vs 4.6. Maximum simultaneous displays: 1 vs 3.

FeatureGeForce GT 820MRadeon Vega 3 3020e
DirectX
11.0
12 (12_1)+9%
Vulkan
None
1.2
OpenGL
4.0
4.6+15%
Max Displays
1
3+200%
🎬

Media & Encoding

Hardware encoder: No (GeForce GT 820M) vs VCN 1.0 (Radeon Vega 3 3020e). Decoder: PureVideo HD VP4 vs VCN 1.0. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 820M) vs H.264,H.265,VP9 (Radeon Vega 3 3020e).

FeatureGeForce GT 820MRadeon Vega 3 3020e
Encoder
No
VCN 1.0
Decoder
PureVideo HD VP4
VCN 1.0
Codecs
MPEG-2,H.264,VC-1,MPEG-4 ASP
H.264,H.265,VP9
🔌

Power & Dimensions

The GeForce GT 820M draws 100W versus the Radeon Vega 3 3020e's 100W — a 0% difference. The Radeon Vega 3 3020e is more power-efficient. Recommended PSU: 350W (GeForce GT 820M) vs 1W (Radeon Vega 3 3020e). Power connectors: PCIe-powered vs Integrated.

FeatureGeForce GT 820MRadeon Vega 3 3020e
TDP
100W
100W
Recommended PSU
350W
1W-100%
Power Connector
PCIe-powered
Integrated
Length
0mm
Height
0mm
Slots
0
Temp (Load)
70°C
Perf/Watt
5.4+2%
5.3
💰

Value Analysis

The Radeon Vega 3 3020e is the newer GPU (2018 vs 2014).

FeatureGeForce GT 820MRadeon Vega 3 3020e
MSRP
$0
Avg Price (30d)
$0
Codename
GM204
Vega 12
Release
October 7 2014
November 14 2018
Ranking
#344
#435